Oy çokluğu için toplantı yeter sayısı gerekiyor.

The sentence breaks down like this:

• oy çokluğu için = for a majority vote
• toplantı yeter sayısı = meeting quorum
• gerekiyor = is required / is needed

So the literal structure is:

For a majority vote, a meeting quorum is required.

A natural English rendering would be something like A quorum is required for a majority vote.

Oy çokluğu is a formal expression meaning majority of votes or majority vote.

It does not just mean many votes in a casual sense. It refers to a situation where more votes are on one side than the other.

A useful contrast is:

• oy çokluğu = majority vote
• oy birliği = unanimity / unanimous vote

So if a learner knows çokluk means abundance or plurality, this phrase is the official-style way to say majority in voting contexts.

Because this is a common Turkish noun compound pattern.

In Turkish, when one noun modifies another noun, the second noun often takes a special ending, usually the 3rd person possessive suffix:

• oy
  • çokluk
• becomes oy çokluğu

Here, çokluk becomes çokluğu.

Two useful things are happening:

1. The compound ending is added to the second noun.
2. The final k in çokluk softens to ğ before a vowel.

So:

• çokluk → çokluğu

This same pattern also appears in toplantı yeter sayısı.

İçin is a postposition meaning things like:

• for
• for the sake of
• in order for
• with regard to

In this sentence, oy çokluğu için gives the condition or context:

for a majority vote

So the sentence is saying that in the case of, or in order to have, a majority-vote decision, a quorum is needed.

Also, English uses a preposition before the noun phrase, but Turkish uses a postposition after it:

• English: for a majority vote
• Turkish: oy çokluğu için

Toplantı yeter sayısı is the formal term for the minimum number of people who must be present at a meeting for it to be validly held.

In English, this is usually called a quorum.

So:

• toplantı = meeting
• yeter sayısı = required number / sufficient number

Together, the phrase means meeting quorum.

This is an institutional or legal-style expression. It is different from something like karar yeter sayısı, which refers to the number of votes needed for a decision to pass.

This is the same noun-compound pattern seen in oy çokluğu.

The noun sayı means number, but in a compound it becomes:

• sayı → sayısı

The -sı ending is the compound marker on the second noun.

So:

• yeter sayısı = required number
• toplantı yeter sayısı = meeting required number / meeting quorum

Because sayı already ends in a vowel, Turkish inserts a buffer s before the suffix:

• sayı + ı would be awkward
• so Turkish uses sayısı

Yes, gerekiyor is formally the present continuous of gerekmek, but in Turkish this form is very often used for general present necessity, not only for something happening right now.

So here gerekiyor means:

• is necessary
• is needed
• is required

This is very natural Turkish.

Compare:

• gerekiyor = is required / is needed
• gerekli = necessary
• lazım = needed / necessary and often more conversational

So toplantı yeter sayısı gerekiyor is a normal way to say that a quorum is required.

The grammatical subject is toplantı yeter sayısı.

The sentence order is:

• oy çokluğu için = context first
• toplantı yeter sayısı = subject
• gerekiyor = verb

Turkish often puts the context, topic, or condition before the main statement. That is why the sentence starts with oy çokluğu için.

So even though English might more naturally say:

A meeting quorum is required for a majority vote,

Turkish can naturally say:

For a majority vote, a meeting quorum is required.

That does not sound strange in Turkish.

A learner usually notices the ğ here.

A simple approximation is:

• çokluğu ≈ chohk-loo-u

A few pronunciation points:

• ç sounds like ch
• o is a short o
• ğ is usually not pronounced like a hard English g
• instead, it often lengthens the vowel or creates a smooth transition

So çokluğu is not said like chok-lo-goo. The ğ is soft and subtle.

For many learners, the most important thing is just to avoid pronouncing ğ as a strong g.